Quenched-disorder-induced magnetization jumps in (Sm,Sr)MnO3

L. M. Fisher, A. V. Kalinov*, I. F. Voloshin, N. A. Babushkina, D. I. Khomskii, Y. Zhang, T. T M Palstra

*Corresponding author for this work

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Abstract

Magnetic field induced steplike changes in magnetization and resistivity of Sm1-xSrxMnO3 manganites were studied. A strong dependence of these features on the cooling rate was observed. Magnetostriction, however, does not show the presence of large strain in our samples. From all these features we can rule out the conventional explanation of magnetization jumps as a consequence of martensitic transition. We propose instead that quenched by fast cooling disorder leads to the formation of an inhomogeneous metastable state and to subsequent magnetization jumps.

Original languageEnglish
Article number212411
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume70
Issue number21
DOIs
Publication statusPublished - 1 Dec 2004
Externally publishedYes

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    Fisher, L. M., Kalinov, A. V., Voloshin, I. F., Babushkina, N. A., Khomskii, D. I., Zhang, Y., & Palstra, T. T. M. (2004). Quenched-disorder-induced magnetization jumps in (Sm,Sr)MnO3. Physical Review B - Condensed Matter and Materials Physics, 70(21), [212411]. https://doi.org/10.1103/PhysRevB.70.212411